Let's divide 521652 by 66
The aim is to understand the frequency of 66 in 521652.

Going ahead to step 1:
5 divided by 66 is 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Bring next digit (2) of the dividend behind the 5 and repeat the process: 52 / 66

Step 2:
66 can be fit into 52 0 times, resulting in a remainder of 52.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 52, we get 52.
Grab the next digit (1) from the dividend, add it to 52, then carry on: 521 / 66

Moving on to step 3:
66 can be fit into 521 7 times, resulting in a remainder of 59.
Write down 7 as next digit of the result. 
Result so far: 7.0
Subtracting 462 from 521 leaves us with 59.
Take the next digit (6) from the dividend and append it to 59, then repeat: 596 / 66

Advancing to step 4:
When dividing 596 by 66, we get 9 with a remainder of 2.
Write down 9 as next digit of the result. 
Result so far: 79.0
The remainder is 2 after subtracting 594 from 596.
Append the next digit (5) from the dividend to 2 and continue with: 25 / 66

Going ahead to step 5:
The number 66 fits into 25 0 times, leaving a remainder of 25.
Use 0 as the next digit of our solution. 
Result so far: 790.0
If we subtract 0 from 25, we get 25.
Fetch the next digit (2) from the dividend, attach it to 25 and continue: 252 / 66

On to step 6:
252 divided by 66 is 3 with a remainder of 54.
Write down 3 as next digit of the result. 
Result so far: 7903.0
The remainder is 54 after subtracting 198 from 252.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

On to step 7:
66 goes into 540 8 times with a remainder of 12.
Put 8 as the next digit of the answer. 
Result so far: 7903.8
If we subtract 528 from 540, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 8:
66 goes into 120 1 times with a remainder of 54.
Use 1 as the next digit of our solution. 
Result so far: 7903.81
If we subtract 66 from 120, we get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

On to step 9:
66 can be fit into 540 8 times, resulting in a remainder of 12.
Put 8 as the next digit of the answer. 
Result so far: 7903.818
Subtracting 528 from 540 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Advancing to step 10:
120 divided by 66 is 1 with a remainder of 54.
Record the quotient 1 as the next digit in the result. 
Result so far: 7903.8181
Deduct 66 from 120 and we're left with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Step 11:
66 goes into 540 8 times with a remainder of 12.
Put 8 as the next digit of the answer. 
Result so far: 7903.81818
Subtracting 528 from 540 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Advancing to step 12:
66 can be fit into 120 1 times, resulting in a remainder of 54.
The next digit of our result is 1. 
Result so far: 7903.818181
Deduct 66 from 120 and we're left with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Moving on to step 13:
66 can be fit into 540 8 times, resulting in a remainder of 12.
Put 8 as the next digit of the answer. 
Result so far: 7903.8181818
If we subtract 528 from 540, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 14:
66 goes into 120 1 times with a remainder of 54.
Record the quotient 1 as the next digit in the result. 
Result so far: 7903.81818181
Deduct 66 from 120 and we're left with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

In conclusion, the division gives 7903.81818181 with a balance of 5.4e-08.